.header{
  position: relative;
  width: 100%;
  height: 60px;
  background-color: rgb(255, 255, 255);
  box-shadow: 0 -1px 5px 1px rgba(0, 0, 0, 0.3);
}
.logo{
  float: left;
  line-height: 60px;
  width: 150px;
  text-align: center;
  margin-left: 50px;
  font-size: 23px;
  font-weight: 600;
  color: #253041;
}
.header-search{
  display: inline-block;
  line-height: 60px;
  position: absolute;
  left: 50%;
  width: 400px;
  margin-left: -200px;
}
.search-wrap{
  display: flex;
  align-items: center;
}
.handle-input{
  width: 85%;
}
.el-icon-search{
  width: 15%;
  height: 40px;
  box-sizing: border-box;
  margin-left: -1px;
  background-color: rgb(205, 252, 255);
  border: 1px solid #DCDFE6;
  border-radius: 4px;
  line-height: 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
}
.el-icon-search:hover{
  z-index: 1;
  border: 1px solid #C0C4CC;
  background-color: rgb(187, 247, 252);
}
.user-history,.user-collection{
  position: relative;
  cursor: pointer;
}
.history-wrap,
.collection-wrap{
  display: flex;
  justify-content: center;
  position: absolute;
  width: 300px;
  height: 0px;
  overflow-y: scroll;
  top: 61px;
  left: -100px;
  background-color: white;
  box-shadow: 0 0px 3px rgba(0, 0, 0, 0.2);
  transition: 0.2s;
  z-index: 999;
  cursor: default;
}
.user-history:hover .history-wrap,
.user-collection:hover .collection-wrap{
  height: 400px;
}
.collections,.historys{
  display:block;
  margin-top: 5px;
  width: 95%;
}
.collections li,.historys li{
  cursor: pointer;
}
.collection-wrap .collections li,
.history-wrap .historys li{
  display: flex;
  margin-top: 5px;
  width: 100%;
  height: 70px;
}
.videoImg{
  display: inline-block;
  width: 120px;
  height: 100%;
}
.collection-info{
  display: inline-block;
  padding-left: 10px;
  text-align: left;
}
.history-info{
  display: inline-block;
  padding-left: 10px;
  text-align: left;
}
.info-title{
  margin-top: 3px;
  height: 40px;
  line-height: 20px;
  display: -webkit-box;
  flex-wrap: wrap;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  overflow: hidden;
}
.info-author{
  margin-top: 7px;
  color: rgb(100, 100, 100);
  font-size: 12px;
  line-height: 20px;
}
.info-author .icon-avatar1{
  position: relative;
  font-size: 12px;
  top: 0;
  left: 0;
}
.header-right{
  float: right;
  width: 430px;
}
.login{
  font-size: 14px;
  cursor: pointer;
}
.user{
  float: left;
  display: flex;
  margin-left: 30px;
  height: 60px;
  align-items: center;
}
.user img{
  margin-right: 15px;
  width: 45px;
  height: 45px;
  border-radius: 50%;
}
.header-nav li{
  float: left;
  width: 80px;
  height: 60px;
  line-height: 60px;
  font-size: 13px;
  text-align: center;
  margin-right: 20px;
}